/* ========================================
   Promtra - AI Prompt Gallery
   Ultra Minimal Design
   ======================================== */

/* CSS Custom Properties */
:root {
  /* Light Theme Colors */
  --primary-color: #8b5cf6;
  --primary-rgb: 139, 92, 246;
  --accent-color: #ec4899;
  --success-color: #10b981;

  --bg-primary: #fafafa;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-overlay: rgba(0, 0, 0, 0.9);

  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --text-inverse: #ffffff;

  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px rgba(139, 92, 246, 0.1);

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 20px;
  --border-radius: 12px;
  --border-radius-sm: 6px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease-out;

  /* Typography - Core Web Vitals Optimized */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  /* Core Web Vitals - CLS Prevention */
  --gallery-item-height: 400px;
  --skeleton-aspect-ratio: 9/16;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
}

/* Dark Theme */
[data-theme='dark'] {
  --primary-rgb: 139, 92, 246;

  --bg-primary: #0f0f23;
  --bg-secondary: #1a1a2e;
  --bg-card: #1e1e38;
  --bg-overlay: rgba(0, 0, 0, 0.95);

  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #1e293b;

  --border-color: #334155;
  --border-light: #475569;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 25px rgba(139, 92, 246, 0.2);
}

/* ========================================
   Base Styles
   ======================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  /* Core Web Vitals - Font Display Optimization */
  font-display: swap;
}

/* Font Loading Optimization */
@font-face {
  font-family: 'system-fallback';
  src: local('Arial'), local('Helvetica'), local('sans-serif');
  font-display: swap;
  size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: var(--transition);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.main {
  flex: 1;
  padding: var(--space-8) 0;
}

/* ========================================
   Header - Ultra Minimal
   ======================================== */

.header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: var(--space-4) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: nowrap;
  gap: var(--space-4);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  font-weight: 600;
  font-size: var(--font-size-lg);
}

.logo-image {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px;
}

.logo-text a {
  color: var(--text-primary);
  text-decoration: none;
}

.logo-text h1,
.logo-text .site-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
}

.logo-text .tagline {
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  margin-top: 2px;
}

/* Header Controls */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

/* Language Selector */
.language-selector {
  position: relative;
}

.lang-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-toggle:hover {
  border-color: var(--primary-color);
  color: var(--text-primary);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 120px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition-fast);
  z-index: 1000;
}

.language-selector:hover .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-dropdown a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
}

.lang-dropdown a:hover,
.lang-dropdown a.active {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

/* Flag Icons */
.flag {
  width: 16px;
  height: 12px;
  background-size: cover;
  background-position: center;
  border-radius: 2px;
}

.flag-en {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 30"><rect width="60" height="30" fill="%23012169"/><path d="M0,0 L60,30 M60,0 L0,30" stroke="%23fff" stroke-width="6"/><path d="M0,0 L60,30 M60,0 L0,30" stroke="%23C8102E" stroke-width="4"/><path d="M30,0 L30,30 M0,15 L60,15" stroke="%23fff" stroke-width="10"/><path d="M30,0 L30,30 M0,15 L60,15" stroke="%23C8102E" stroke-width="6"/></svg>');
}

.flag-tr {
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 60 40"><rect width="60" height="40" fill="%23E30A17"/><circle cx="21" cy="20" r="8" fill="none" stroke="%23fff" stroke-width="1.5"/><circle cx="23" cy="20" r="6.5" fill="%23E30A17"/><polygon points="32,14 34,18 38,18 35,21 36,25 32,22 28,25 29,21 26,18 30,18" fill="%23fff"/></svg>');
}

/* Theme Toggle */
.theme-toggle {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--primary-color);
  transform: scale(1.05);
}

/* Dark tema için theme toggle düzeltmesi */
[data-theme='dark'] .theme-toggle {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme='dark'] .theme-toggle:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
}

.theme-icon {
  position: absolute;
  font-size: var(--font-size-base);
  transition: var(--transition-fast);
}

[data-theme='light'] .sun-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme='light'] .moon-icon {
  opacity: 0;
  transform: rotate(180deg) scale(0.5);
}

[data-theme='dark'] .sun-icon {
  opacity: 0;
  transform: rotate(-180deg) scale(0.5);
}

[data-theme='dark'] .moon-icon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

/* Follow Button */
.follow-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-inverse);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-fast);
}

.follow-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

/* ========================================
   Gallery - Masonry Layout
   ======================================== */

.gallery {
  margin-bottom: var(--space-12);
}

.gallery-grid {
  columns: 6;
  column-gap: var(--space-4);
  margin-bottom: var(--space-8);
}

/* Prompt Cards with Flip Effect */
.prompt-card {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-4);
  break-inside: avoid;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  transform-style: preserve-3d;
  height: fit-content;
}

.prompt-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-front,
.card-back {
  position: relative;
  width: 100%;
  transition: var(--transition);
  backface-visibility: hidden;
}

.card-back {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-card);
  opacity: 0;
  transform: rotateY(180deg);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  min-height: 200px;
}

.prompt-card.flipped .card-front {
  opacity: 0;
  transform: rotateY(-180deg);
}

.prompt-card.flipped .card-back {
  opacity: 1;
  transform: rotateY(0deg);
}

.card-front img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

/* Card Back Content */
.card-back-content {
  text-align: center;
  width: 100%;
}

.card-back-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
}

.prompt-preview {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
}

.card-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
}

.action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--primary-color);
  color: var(--text-inverse);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: var(--font-size-base);
}

.action-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.copy-btn {
  background: var(--success-color);
}

/* Load More Button */
.load-more-container {
  text-align: center;
  margin-top: var(--space-8);
}

.load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.load-more-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

/* Pagination */
.pagination-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-8);
  padding: var(--space-4);
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-fast);
}

.pagination-btn:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-4);
}

/* ========================================
   Modal
   ======================================== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 2000;
  padding: var(--space-4);
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  transform: translateY(20px) scale(0.95);
  transition: var(--transition);
}

.modal.active .modal-content {
  transform: translateY(0) scale(1);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  cursor: pointer;
  padding: var(--space-2);
  border-radius: 50%;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-6);
}

.prompt-full-text {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  padding: var(--space-4);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-4);
}

.prompt-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.prompt-category {
  background: var(--primary-color);
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.modal-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--success-color);
  color: var(--text-inverse);
  border: none;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-copy-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ========================================
   Copy Notification
   ======================================== */

.copy-notification {
  position: fixed;
  top: 80px;
  right: var(--space-4);
  background: var(--success-color);
  color: var(--text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  opacity: 0;
  visibility: hidden;
  transform: translateX(100%);
  transition: var(--transition);
  z-index: 1500;
}

.copy-notification.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

/* ========================================
   No Results
   ======================================== */

.no-results {
  text-align: center;
  padding: var(--space-12);
  color: var(--text-secondary);
}

/* ========================================
   Enhanced Responsive Design
   ======================================== */

/* Large screens - 6 columns */
@media (min-width: 1600px) {
  .gallery-container {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.25rem;
    padding: 1.25rem;
  }

  .container {
    max-width: 1400px;
  }
}

/* Desktop - 5 columns */
@media (max-width: 1599px) and (min-width: 1200px) {
  .gallery-container {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
  }
}

/* Laptop - 4 columns */
@media (max-width: 1199px) and (min-width: 992px) {
  .gallery-container {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
  }

  .container {
    max-width: 960px;
  }
}

/* Tablet - 3 columns */
@media (max-width: 991px) and (min-width: 768px) {
  .gallery-container {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.875rem;
    padding: 1rem 0.75rem;
  }

  .container {
    max-width: 720px;
    padding: 0 1rem;
  }

  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--space-3);
  }

  .header-controls {
    justify-content: center;
  }

  .follow-btn span {
    display: none;
  }

  .follow-btn {
    padding: var(--space-2);
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
  }
}

/* Mobile Large - 2 columns */
@media (max-width: 767px) and (min-width: 576px) {
  .gallery-container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
    padding: 0.75rem 0.5rem;
  }

  .container {
    max-width: 540px;
    padding: 0 0.75rem;
  }

  .header {
    padding: var(--space-3) 0;
  }

  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
  }

  .logo {
    flex-direction: row;
    gap: var(--space-2);
  }

  .logo-text h1 {
    font-size: var(--font-size-lg);
  }

  .logo-text .tagline {
    font-size: 0.7rem;
  }

  .header-controls {
    gap: var(--space-2);
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  .follow-btn {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
  }

  .follow-btn span {
    display: inline;
  }
}

/* Mobile - 1 column */
@media (max-width: 575px) {
  :root {
    --container-padding: 0.75rem;
    --font-size-base: 0.9rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.2rem;
    --font-size-2xl: 1.4rem;
  }

  .gallery-container {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 1rem 0.5rem;
  }

  .container {
    padding: 0 var(--container-padding);
  }

  .header {
    padding: var(--space-2) 0;
    position: sticky;
    top: 0;
  }

  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
    gap: var(--space-2);
  }

  .logo {
    flex-direction: row;
    gap: var(--space-2);
    align-items: center;
  }

  .logo-image {
    width: 28px;
    height: 28px;
  }

  .logo-text h1 {
    font-size: var(--font-size-base);
    margin-bottom: 0;
    line-height: 1.2;
  }

  .logo-text .tagline {
    display: none;
  }

  .header-controls {
    justify-content: flex-end;
    gap: var(--space-2);
    flex-shrink: 0;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
    border-width: 1px;
  }

  .follow-btn {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
    min-height: 36px;
    border-radius: var(--border-radius-sm);
  }

  .follow-btn span {
    display: none;
  }

  .follow-btn {
    width: 36px;
    padding: var(--space-2);
    justify-content: center;
  }

  /* Enhanced touch targets for mobile */
  .filter-btn {
    min-height: 35px;
    padding: var(--space-2) var(--space-3);
    font-size: 0.85rem;
  }

  .modern-card-btn {
    width: 36px;
    height: 36px;
    border-width: 2px;
  }

  .modern-card-btn svg {
    width: 16px;
    height: 16px;
  }

  /* Modal improvements for mobile */
  .modal {
    padding: var(--space-2);
    align-items: flex-end;
  }

  .modal-content {
    width: 100%;
    max-height: 85vh;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    margin: 0;
  }

  .modal-header {
    padding: var(--space-4) var(--space-4) var(--space-3);
  }

  .modal-body {
    padding: var(--space-4);
    max-height: 60vh;
  }

  .modal-footer {
    padding: var(--space-3) var(--space-4) var(--space-4);
  }

  .modal-close {
    width: 44px;
    height: 44px;
  }

  /* Copy notification mobile optimization */
  .copy-notification {
    right: var(--space-2);
    left: var(--space-2);
    bottom: 100px;
    border-radius: var(--border-radius);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    text-align: center;
    max-width: 280px;
    margin: 0 auto;
    transform: translateX(0) !important;
  }

  /* Category filter mobile optimization - Horizontal Scroll */
  .category-filter {
    gap: 0.5rem;
    padding: 0 var(--space-3);
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
  }

  .filter-btn {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius);
    white-space: nowrap;
    flex-shrink: 0;
  }

  /* SEO content mobile optimization */
  .seo-content-minimal {
    padding: var(--space-8) 0 var(--space-6);
  }

  .seo-content {
    padding: 0 var(--space-3);
  }

  .seo-content h1,
  .seo-content h2 {
    font-size: var(--font-size-xl);
    line-height: 1.3;
    margin-bottom: var(--space-3);
  }

  .seo-content h3 {
    font-size: var(--font-size-lg);
    margin: var(--space-4) 0 var(--space-2);
  }

  .stats-highlight {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .categories-performance-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .technique-list {
    gap: var(--space-2);
  }

  .technique-item {
    padding: var(--space-3);
    font-size: var(--font-size-sm);
    line-height: 1.4;
  }

  .simple-steps {
    padding: var(--space-4);
  }

  .simple-steps li {
    padding-left: var(--space-6);
    font-size: var(--font-size-sm);
  }

  .simple-steps li::before {
    width: 24px;
    height: 24px;
    font-size: 0.7rem;
  }

  .faq-item-simple {
    padding: var(--space-3);
    font-size: var(--font-size-sm);
  }

  .cta-btn {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    justify-content: center;
    font-size: var(--font-size-base);
    padding: var(--space-4) var(--space-6);
    min-height: 48px;
  }
}

/* Extra small mobile devices */
@media (max-width: 360px) {
  :root {
    --container-padding: 0.5rem;
    --font-size-base: 0.85rem;
    --font-size-sm: 0.75rem;
    --font-size-xs: 0.7rem;
  }

  .gallery-container {
    padding: 0.75rem 0.25rem;
  }

  .header-content {
    gap: var(--space-2);
  }

  .logo-text h1 {
    font-size: var(--font-size-lg);
  }

  .header-controls {
    gap: var(--space-2);
  }

  .theme-toggle {
    width: 40px;
    height: 40px;
  }

  .follow-btn {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
  }

  .filter-btn {
    font-size: 0.75rem;
    padding: 6px 10px;
  }

  .copy-notification {
    font-size: 0.8rem;
    padding: var(--space-2) var(--space-3);
  }
}

/* Landscape orientation optimizations for mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .header {
    position: relative;
  }

  .header-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap;
  }

  .logo {
    flex-direction: row;
    gap: var(--space-2);
  }

  .logo-text .tagline {
    display: none;
  }

  .gallery-container {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
    padding: 0.5rem;
  }

  .modal {
    align-items: center;
  }

  .modal-content {
    border-radius: var(--border-radius);
    max-height: 90vh;
  }
}

/* High DPI displays optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .logo-image,
  .modern-card-btn svg {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast;
  }
}

/* Dark theme mobile adjustments */
[data-theme='dark'] {
  @media (max-width: 575px) {
    .header {
      background: rgba(26, 26, 46, 0.95);
      backdrop-filter: blur(20px);
    }

    .modal-content {
      background: var(--bg-secondary);
    }
  }
}

/* ========================================
   Accessibility
   ======================================== */

*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================
   Skeleton Loading Screens
   ======================================== */

@keyframes skeleton-pulse {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes skeleton-wave {
  0% {
    transform: translateX(-100%);
  }
  50% {
    transform: translateX(100%);
  }
  100% {
    transform: translateX(100%);
  }
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--border-light) 25%,
    var(--border-color) 37%,
    var(--border-light) 63%
  );
  background-size: 400% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: var(--border-radius-sm);
  position: relative;
  overflow: hidden;
}

.skeleton::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: skeleton-wave 2s infinite;
  content: '';
}

[data-theme='dark'] .skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--border-color) 37%,
    var(--bg-secondary) 63%
  );
  background-size: 400% 100%;
}

[data-theme='dark'] .skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
}

/* Skeleton Variations */
.skeleton-text {
  height: 1rem;
  margin-bottom: 0.5rem;
}

.skeleton-text.large {
  height: 1.5rem;
}

.skeleton-text.small {
  height: 0.75rem;
}

.skeleton-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.skeleton-button {
  height: 2.5rem;
  width: 6rem;
  border-radius: var(--border-radius-sm);
}

.skeleton-image {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
}

.skeleton-image.card {
  aspect-ratio: 9/16;
  height: auto;
}

/* Gallery Skeleton */
.skeleton-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-4);
  padding: var(--space-4);
  transition: opacity 0.2s ease-out;
}

.skeleton-gallery.hiding {
  opacity: 0;
  pointer-events: none;
}

.skeleton-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  transition: opacity 0.15s ease-out;
}

.skeleton-card.removing {
  opacity: 0;
  transform: scale(0.95);
}

.skeleton-card-image {
  width: 100%;
  aspect-ratio: 9/16;
  margin-bottom: var(--space-3);
}

.skeleton-card-title {
  height: 1.25rem;
  width: 80%;
  margin-bottom: var(--space-2);
}

.skeleton-card-subtitle {
  height: 1rem;
  width: 60%;
  margin-bottom: var(--space-3);
}

.skeleton-card-actions {
  display: flex;
  gap: var(--space-2);
}

.skeleton-card-button {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
}

/* Loading States */
.loading-state {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.loaded-content {
  animation: fadeInUp 0.4s ease-out;
}

/* Page Loading Overlay */
.page-loading {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease-out;
}

.page-loading.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-left: 4px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.loading-text {
  margin-top: var(--space-4);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* Image Loading States */
.image-loading {
  position: relative;
  overflow: hidden;
}

.image-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary);
  z-index: 1;
}

.image-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid var(--border-color);
  border-left: 2px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 2;
}

.image-loading.loaded::before,
.image-loading.loaded::after {
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

/* Responsive Skeleton */
@media (max-width: 768px) {
  .skeleton-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: var(--space-3);
  }
}

@media (max-width: 480px) {
  .skeleton-gallery {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .loading-spinner {
    width: 36px;
    height: 36px;
  }
}

/* Performance Optimization */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

.gpu-accelerated {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000;
}

/* Image Optimization & Loading */
.image-container {
  position: relative;
  overflow: hidden;
}

.image-placeholder {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--border-light), var(--border-color));
  opacity: 1;
  transition: opacity 0.3s ease-out;
  z-index: 1;
}

.blur-placeholder {
  backdrop-filter: blur(10px);
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 72, 153, 0.1));
}

[data-theme='dark'] .image-placeholder {
  background: linear-gradient(135deg, var(--bg-secondary), var(--border-color));
}

/* Hide placeholder when image is loaded */
.image-container img.loaded + .image-placeholder,
.image-container img:not([src='']) + .image-placeholder {
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

/* Image loading states */
.image-container img {
  position: relative;
  z-index: 2;
  transition: opacity 0.3s ease-out;
}

.image-container img:not(.loaded) {
  opacity: 0;
}

.image-container img.loaded {
  opacity: 1;
}

.image-container img.error {
  opacity: 0.5;
  filter: grayscale(100%);
}

/* WebP support detection */
.no-webp .webp-image {
  display: none;
}

.webp .fallback-image {
  display: none;
}

/* Responsive image improvements */
picture {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  z-index: 2;
}

picture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Modern image formats support */
@supports (
  background-image: url('data:image/webp;base64,UklGRhoAAABXRUJQVlA4TA0AAAAvAAAAEAcQERGIiP4HAA==')
) {
  .webp-supported .fallback-jpg {
    display: none;
  }
}

/* Image quality optimization based on connection */
@media (max-width: 480px) and (max-resolution: 1.5dppx) {
  .image-container img {
    image-rendering: optimizeSpeed;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
  .image-container img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: optimize-contrast;
  }
}

/* Core Web Vitals - CLS Prevention with Intrinsic Sizing */
.critical-image {
  content-visibility: visible;
  contain-intrinsic-size: 300px 400px;
  contain: layout style paint;
}

.non-critical-image {
  content-visibility: auto;
  contain-intrinsic-size: 300px 400px;
  contain: layout style paint;
}

/* Gallery Item CLS Prevention */
.gallery-item {
  contain-intrinsic-size: 280px var(--gallery-item-height);
  content-visibility: auto;
  contain: layout style paint;
}

/* Above-the-fold content prioritization */
.above-fold {
  content-visibility: visible;
  contain: none;
}

/* Below-the-fold lazy content */
.below-fold {
  content-visibility: auto;
  contain-intrinsic-size: auto 400px;
}

/* Progressive image enhancement */
.progressive-image {
  position: relative;
  overflow: hidden;
}

.progressive-image .low-quality {
  filter: blur(5px);
  transform: scale(1.05);
  transition: opacity 0.3s ease-out;
}

.progressive-image .high-quality {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.progressive-image .high-quality.loaded {
  opacity: 1;
}

.progressive-image .high-quality.loaded ~ .low-quality {
  opacity: 0;
}

/* Image error states */
.image-error {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  min-height: 200px;
  position: relative;
}

.image-error::before {
  content: '🖼️';
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}

.image-error::after {
  content: 'Image not available';
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

/* Core Web Vitals - Connection & Data-aware Optimizations */
@media (prefers-reduced-data: reduce) {
  .image-container picture source[type='image/webp'] {
    display: none;
  }

  .image-container img {
    loading: lazy;
    decoding: async;
  }

  /* Reduce animations for data savings */
  * {
    animation-duration: 0.1s !important;
    transition-duration: 0.1s !important;
  }

  /* Hide non-essential visual elements */
  .decorative-element,
  .background-pattern {
    display: none;
  }
}

/* Network quality hints */
@media (max-width: 480px) and (max-resolution: 1dppx) {
  /* Low quality network assumed */
  .high-res-image {
    display: none;
  }

  .image-container img {
    image-rendering: optimizeSpeed;
  }
}

/* Core Web Vitals - LCP Optimization */
.hero-image,
.above-fold-image {
  fetchpriority: high;
  loading: eager;
  decoding: sync;
}

/* Core Web Vitals - FID Optimization */
.interactive-element {
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* Core Web Vitals - INP Optimization */
button,
.clickable {
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(var(--primary-rgb), 0.1);
  transition: background-color 0.1s ease-out;
}

/* Interaction timing optimization */
.debounced {
  transition-delay: 50ms;
}

/* ========================================
   SEO Content Section
   ======================================== */

.seo-content-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-12) 0;
  margin-top: var(--space-12);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s ease-out;
}

/* Force CSS stability on language change */
[lang='tr'] .seo-content-section,
[lang='en'] .seo-content-section {
  display: block !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.seo-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: var(--transition-fast);
}

.seo-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-color);
}

.seo-card h2 {
  color: var(--text-primary);
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.seo-card h2::before {
  content: '💡';
  font-size: var(--font-size-lg);
}

.seo-card p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* SEO Keywords */
.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.keyword {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-inverse);
  padding: var(--space-1) var(--space-3);
  border-radius: 20px;
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* Tips List */
.seo-tips {
  list-style: none;
  padding: 0;
  margin: 0;
}

.seo-tips li {
  position: relative;
  padding: var(--space-2) 0;
  padding-left: var(--space-6);
  color: var(--text-secondary);
  line-height: 1.5;
}

.seo-tips li::before {
  content: '✨';
  position: absolute;
  left: 0;
  top: var(--space-2);
  font-size: var(--font-size-sm);
}

/* Category Tags */
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.category-tag {
  background: var(--bg-primary);
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  font-size: var(--font-size-sm);
  transition: var(--transition-fast);
  cursor: pointer;
}

.category-tag:hover {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
  transform: translateY(-1px);
}

/* FAQ Section */
.faq-card h2::before {
  content: '❓';
}

.faq-list {
  space-y: var(--space-4);
}

.faq-item {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: var(--space-4);
  margin-bottom: var(--space-4);
}

.faq-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.faq-item h3 {
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.faq-item h3::before {
  content: '→';
  color: var(--primary-color);
  font-weight: bold;
}

.faq-item p {
  color: var(--text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* CTA Buttons */
.cta-button-container {
  margin-top: var(--space-4);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary-color);
  color: var(--text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-fast);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cta-button.secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.cta-button.secondary:hover {
  background: var(--bg-primary);
  color: var(--text-primary);
  border-color: var(--primary-color);
}

/* Main CTA Section */
.main-cta-section {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--text-inverse);
  text-align: center;
  padding: var(--space-8);
  border-radius: var(--border-radius);
  margin-top: var(--space-8);
}

.main-cta-section h2 {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-cta-section p {
  font-size: var(--font-size-lg);
  opacity: 0.9;
  margin-bottom: var(--space-6);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.cta-button.primary {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  color: var(--text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-size: var(--font-size-base);
  padding: var(--space-4) var(--space-6);
}

.cta-button.primary:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Dark theme adjustments */
[data-theme='dark'] .seo-content-section {
  background: var(--bg-primary);
  border-top-color: var(--border-color);
}

[data-theme='dark'] .category-tag {
  background: var(--bg-secondary);
}

[data-theme='dark'] .category-tag:hover {
  background: var(--primary-color);
}

/* Responsive Design for SEO Section */
@media (max-width: 768px) {
  .seo-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .seo-card {
    padding: var(--space-4);
  }

  .main-cta-section {
    padding: var(--space-6) var(--space-4);
  }

  .main-cta-section h2 {
    font-size: var(--font-size-xl);
  }

  .main-cta-section p {
    font-size: var(--font-size-base);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-button {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .seo-content-section {
    padding: var(--space-8) 0;
  }

  .category-tags,
  .seo-keywords {
    gap: var(--space-1);
  }

  .category-tag,
  .keyword {
    font-size: 0.7rem;
    padding: 4px 8px;
  }
}

/* Category Filter Section - Mobile-First Fixed */
.category-filter-section {
  margin-bottom: 24px;
  padding: 0;
  width: 100%;
}

.category-filter {
  display: flex;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: 12px;
  padding: 0 20px;
  overflow-x: auto;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  margin: 0;
}

.category-filter::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  display: inline-block;
  padding: 8px 16px;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s ease;
  text-transform: capitalize;
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
  border-color: var(--primary-color);
}

.filter-btn.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

/* Responsive Category Filter - Mobile First (Horizontal Scroll) */
@media (max-width: 768px) {
  .category-filter {
    padding: 0 15px;
    gap: 10px;
    flex-wrap: nowrap;
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: 0.8rem;
    min-width: auto;
    flex-shrink: 0;
  }
}

@media (max-width: 480px) {
  .category-filter {
    padding: 0 12px;
    gap: 8px;
    flex-wrap: nowrap;
  }

  .filter-btn {
    padding: 6px 14px;
    font-size: 0.75rem;
    min-width: auto;
    flex-shrink: 0;
  }

  /* İlk ve son butonlara extra padding */
  .filter-btn:first-child {
    margin-left: 0;
  }

  .filter-btn:last-child {
    margin-right: 8px;
  }
}

/* Dark theme filter buttons */
[data-theme='dark'] .filter-btn:hover {
  background: var(--bg-secondary);
  color: var(--primary-color);
  border-color: var(--primary-color);
}

[data-theme='dark'] .filter-btn.active {
  background: var(--primary-color);
  color: var(--text-inverse);
  border-color: var(--primary-color);
}

/* ========================================
   SEO Content Section - Performance Optimized
   ======================================== */

.seo-content-minimal {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-light);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: var(--space-8);
  contain: layout style;
}

.seo-content {
  max-width: 800px;
  margin: 0 auto;
  contain: layout style;
}

.seo-content h1,
.seo-content h2 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  text-align: center;
  contain: layout;
}

.seo-content h3 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin: var(--space-6) 0 var(--space-3);
}

.seo-content p,
.lead-paragraph {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

/* Performance: Stats and technique sections */
.stats-highlight {
  display: flex;
  justify-content: space-around;
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  contain: layout style;
}

.stat-item {
  text-align: center;
}

.stat-item strong {
  display: block;
  font-size: var(--font-size-xl);
  color: var(--primary-color);
  font-weight: 700;
}

.stat-item span {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.technique-list {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  contain: layout;
}

.technique-item {
  padding: var(--space-3);
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--primary-color);
  color: var(--text-secondary);
  line-height: 1.5;
}

.technique-item strong {
  color: var(--text-primary);
}

/* Categories and performance grids */
.categories-performance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
  contain: layout;
}

.category-performance-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-4);
  border: 1px solid var(--border-light);
  contain: layout style;
}

.category-performance-card h3 {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.performance-stats {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.performance-stats span {
  font-size: var(--font-size-xs);
  padding: 2px 6px;
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: 10px;
}

.use-cases {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  font-style: italic;
  margin-top: var(--space-2);
}

/* Trending section */
.trending-categories {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-4);
  margin: var(--space-6) 0;
  contain: layout;
}

.trending-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.trending-tag {
  padding: var(--space-1) var(--space-2);
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.trending-tag.hot {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.trending-tag.rising {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: white;
}

.trending-tag.stable {
  background: linear-gradient(135deg, #10b981, #059669);
  color: white;
}

.trend {
  font-size: 10px;
  font-weight: 600;
}

/* Simple steps with performance optimization */
.simple-steps {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  padding: var(--space-6);
  margin: var(--space-6) 0;
  counter-reset: step-counter;
  contain: layout;
}

.simple-steps li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-8);
  color: var(--text-secondary);
  line-height: 1.6;
  counter-increment: step-counter;
}

.simple-steps li::before {
  content: counter(step-counter);
  position: absolute;
  left: 0;
  top: var(--space-2);
  width: 28px;
  height: 28px;
  background: var(--primary-color);
  color: var(--text-inverse);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
}

/* FAQ optimization */
.faq-simple {
  margin: var(--space-6) 0;
  contain: layout;
}

.faq-item-simple {
  padding: var(--space-4);
  background: var(--bg-card);
  border-radius: var(--border-radius-sm);
  margin-bottom: var(--space-3);
  border-left: 3px solid var(--accent-color);
}

.faq-item-simple strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: var(--space-1);
}

/* CTA optimization */
.simple-cta {
  text-align: center;
  margin-top: var(--space-8);
  contain: layout;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--primary-color);
  color: var(--text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--border-radius-sm);
  text-decoration: none;
  font-size: var(--font-size-base);
  font-weight: 500;
  transition: var(--transition-fast);
  will-change: transform;
}

.cta-btn:hover {
  background: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.cta-btn i {
  font-size: var(--font-size-lg);
}

/* Dark theme optimizations */
[data-theme='dark'] .seo-content-minimal {
  background: var(--bg-primary);
}

/* Responsive optimizations with contain */
@media (max-width: 768px) {
  .seo-content-minimal {
    padding: var(--space-8) 0 var(--space-6);
  }

  .seo-content {
    padding: 0 var(--space-4);
  }

  .seo-content h1,
  .seo-content h2 {
    font-size: var(--font-size-xl);
  }

  .categories-performance-grid {
    grid-template-columns: 1fr;
  }

  .stats-highlight {
    flex-direction: column;
    gap: var(--space-2);
  }

  .simple-steps {
    padding: var(--space-4);
  }

  .simple-steps li {
    padding-left: var(--space-6);
  }

  .simple-steps li::before {
    width: 24px;
    height: 24px;
    font-size: var(--font-size-xs);
  }
}

@media (max-width: 480px) {
  .trending-tags {
    justify-content: center;
  }

  .trending-tag {
    font-size: 11px;
    padding: 3px 6px;
  }
}

/* ========================================
   Footer & Cookie Consent
   ======================================== */

/* Footer */
.footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-6) 0;
  margin-top: var(--space-8);
}

[data-theme='dark'] .footer {
  background-color: #1f2937;
  border-top-color: #374151;
}

.footer-content {
  text-align: center;
}

.footer-content p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

[data-theme='dark'] .footer-content p {
  color: #d1d5db;
}

.footer-link {
  color: var(--text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-fast);
  margin: 0 var(--space-1);
}

.footer-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

[data-theme='dark'] .footer-link {
  color: #ffffff;
}

[data-theme='dark'] .footer-link:hover {
  color: var(--primary-color);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--space-4);
  z-index: 1001;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-lg);
  /* Default hidden state */
  display: none;
  transform: translateY(100%);
  opacity: 0;
}

[data-theme='dark'] .cookie-banner {
  background-color: #1f2937;
  border-top-color: #374151;
}

/* Hidden state */
.cookie-banner.hidden {
  display: none !important;
  transform: translateY(100%);
  opacity: 0;
}

/* Visible state */
.cookie-banner.show {
  display: block !important;
  transform: translateY(0);
  opacity: 1;
}

.cookie-content {
  max-width: var(--container-max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.cookie-content p {
  color: var(--text-secondary);
  margin: 0;
  flex: 1;
  min-width: 200px;
}

[data-theme='dark'] .cookie-content p {
  color: #d1d5db;
}

.cookie-buttons {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

.btn {
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-accept {
  background-color: var(--success-color);
  color: var(--text-inverse);
}

.btn-accept:hover {
  background-color: #059669;
  transform: translateY(-1px);
}

.btn-reject {
  background-color: var(--text-secondary);
  color: var(--text-inverse);
}

.btn-reject:hover {
  background-color: #475569;
  transform: translateY(-1px);
}

/* Responsive Cookie Banner */
@media (max-width: 768px) {
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }

  .cookie-buttons {
    justify-content: center;
    width: 100%;
  }

  .cookie-buttons .btn {
    flex: 1;
    max-width: 120px;
  }
}

@media (max-width: 480px) {
  .cookie-banner {
    padding: var(--space-3);
  }

  .cookie-buttons .btn {
    font-size: var(--font-size-xs);
    padding: var(--space-2) var(--space-3);
  }
}

/* ========================================
   Scroll to Top Button - FIXED
   ======================================== */

.scroll-to-top {
  position: fixed !important;
  bottom: 80px !important;
  right: 20px !important;
  width: 50px !important;
  height: 50px !important;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
  color: var(--text-inverse) !important;
  border: none !important;
  border-radius: 50% !important;
  cursor: pointer !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 20px !important;
  box-shadow: var(--shadow-lg) !important;
  opacity: 0 !important;
  visibility: hidden !important;
  transform: translateY(20px) !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  z-index: 999 !important;
  backdrop-filter: blur(10px) !important;
}

.scroll-to-top:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.4) !important;
  scale: 1.05 !important;
}

.scroll-to-top.show {
  opacity: 1 !important;
  visibility: visible !important;
  transform: translateY(0) !important;
}

.scroll-to-top:active {
  transform: translateY(0) scale(0.95) !important;
}

/* Mobile scroll to top adjustments */
@media (max-width: 768px) {
  .scroll-to-top {
    bottom: 70px !important;
    right: 15px !important;
    width: 45px !important;
    height: 45px !important;
    font-size: 18px !important;
  }
}

/* Dark theme scroll to top */
[data-theme='dark'] .scroll-to-top {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color)) !important;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3) !important;
}

[data-theme='dark'] .scroll-to-top:hover {
  box-shadow: 0 8px 25px rgba(var(--primary-rgb), 0.5) !important;
}